<!DOCTYPE html>
<html>
<head>
<title>Json.html</title>
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="this is my page">
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
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<script type="text/javascript">
window.onload=function(){
document.getElementsByTagName("a")[0].onclick = function(){
ajax=new XMLHttpRequest();
var method="GET";
var url=this.href;
ajax.open(method,url,true);
ajax.send();
ajax.onreadystatechange = function(){
if(ajax.readyState == 4){
if(ajax.status ==200 || ajax.status==304){
var d1=document.getElementById("d1"); //获取网页中的div
var result=ajax.responseText; //获取json（是字符串）
var obj=eval("("+result+")"); //将字符串json转化为json对象，加括号将符合语句变成简单语句
var name=obj.name; //获取name
var age=obj.age; //获取age
var cDiv=document.createElement("h1"); //创建一个h1标签
cDiv.appendChild(document.createTextNode(name+"..."+age))//在h1标签中添加文本：获取的姓名和年龄
d1.innerHTML=""; //（如果div的内容存在）清空div标签
d1.appendChild(cDiv);//在网页的div标签中添加这个h1标签
}
}
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<body>
<a href="../sunWeb/web2.js">点击我打开子网页</a>
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